Valve.



' A. JAQUISH.

VALVE.

APPLICATIION FILED AUG.15, 19:4.

1,139,290. Patented May 11, 1915 WITNESSES jg I; f TOR sZZM/fiM. ff

. ,0 M v ATTORNEYS ARTHUR Li -semen, or onwanlo oansonf V To all'whom it may concern:

l 3e' it known that I, ARTHUR JA UISH, a cltlzen of the United States, and a resident of Ontario,v in the county of Malheur and State of Oregon, have invented certain new, and useful Improvements in Valves, of which the following is a specification.

My invention relatesto air valves, such as used in pneumatic tires, and the main object thereof is to provide a valve which automatically prevents a blow-out due to too great pressure withlnthe tire; a further ob- 18013 is to provide means, in connection wlth such safety device, for determining the ex treme pressure'which it is desired to have within the tire; and furtherobjects are to provide suchvalves which are simple in construction and use, welladapted for the pur- Fig. 3 is anenlarged fragmentary view "similar to Fig. 2,:b11t showing the parts in a pose for which they are designed, and coinparatively inexpensive.

My invention is fully set forth in the' following specification, of which the accompanying'drawings fol-ma part, in which the, separate parts are designated by the same reference characters in eachvof the views, and in wh1ch:

Figure 1 is an exterio'r'view of a valve constructed ln-accordance w th my 1nvention, asadapted for pneumatic tires; Fig. 2 is ac'entral, vertical, section therethrouglr;

diflerent position; 'and Fig.4 isla sectio n taken on the line l'l of Fig. 3, g

In .the drawings forming al -part of this 7 "application I'liave shown a, present pre 'ferred 'form' of embodiment of my invention, comprising thefelly of a vehicle wheel, the rim 6, the shoe-'7, the inner tube 8, and the valve- 9', s'aid valve being mounted inthe usual'mann er, i

The valve comprises an-e'xternally threaded tube 10 having a' bore 11- therethrough,

an enlarged chamber 12 at'the' upper end thereof, and a vplurality of bypasses 18. openingthroughthe upper end of the tube. 10; andintothe'chamber 12 at a point intermediate'its. height, a nut 14 holding -the valve casing or tube on the wheel. adapted tobe lockedinadju'sted position Threaded upon the-tube'll) 1s a sleeve. 15

. by means of a jam-nut 16, and said sleeve is provided with an opening 17 arranged cen trally of the top thereof, and screw-threaded on its exterior. Freely movable the opening 17 .is a tube 1-8 having a-flange 19 VALVE.

p Specification of Letters Patent.. =Patent'ed May1i,-1r 91 5.'

Application and Eugust 15,1914. Serial no, 856,958. t v

a greater air pressure within the tire is possible without raising the safety valve or adjacent its lower end, and which -end,, "be r I J low-said flange, isscrew-threadedto receive a nut 20 adapted d a cup-shaped; a

washer 21in place, the horizontal po tionl W i bearing against thenpper end-0f thes'leeve 15 and against the flange 19 of the tube 1S whereby said washerQl is normally held on its seat over the said by-passes. V

The tube 18contains the usual valve24" and nipple 25, bymeans of which air may be pumpedinto thetire butwhich prevents the escape of the air S QPHmped, and I also provide acap' 26 .adjustably threaded upon .the sleeve'15 and adapted to be locked in adjusted position by means of'a' jam-nut 27 y thejam-nuts 16 and 27 being each, prefer.- ably,"provided with a set screw as shown. The tube 10 is provided with a scale 28 ;t o be read'inconnecti'on with the position-20f the sleeve 15, and said sleeve 15 hasa scale 29 to be readconnection with the "cap 26, I the former to show the degreeof 'compre'ssion of the coil-spring 23, and thelatter to show 'the degree of play possible to' the 'valvetube 18. 1'

- When the pressure within the tire. ex} ceeds the adjusted degree of resistance of ,thefcoil-spring 23,.the tube 18 is raised by the air below the washer 21 whereby the lo wer' ends of the bypasses 13 are cleared by thelfldependent portion 22 of the washer I and the air is free-to escape from within the tire until the fcrceof the coil-spring 23" is greater than-theair pressurewithin-the tire,

at which. time the portion '22 of the washerv again moves downwardly over the entrances ,to the by-passes, and theescape of the-air is stopped. p L J l -By screwing the sleeve downwardly on" the tube-10, the resisting power of the wil spring 23 is correspondingly increased, and

washer 21, and, if desired,-the cap may be screwed down so tight that the nipple 25; bears'fagain'st the inner end of the'cap' and' no movementv of the tube 18; or safety valve is possible. -1.;

In view of theclose fit of the'dependent portion 22of the safety washerQL-inthe i gi- 511161 Vi W also of the flexiy of W QI', bei ng preferably made of rubber, theairseelnng to esca'pe. from the tire merely]forces the'portion 22 inexpensive;- and which provide -a safety.

elfiliientiwhjch is capable of a Considerable "pfthe washer more closelyon its seat over ,thegjentra'l lces to: the by-passes 13,thus pre- I vg intiiigl any possibility of leakage of :air

the tire.

ig verysimple in construction; which is very degree of Q movement without opening; the mer bf aifi' therethrough.

WhilelIghave shown a present preferred form of construction, it will be evident that changes thereover may be made, within" the gg fthe following claim, without der Copies of this patent 11 131 be obteined for five cents each, by addressing the Commissioneroi Patents,

yby-passes, or permitting leakage sacrificingits advantages.

Having -*fully' described my invention,

What I'- claim asnew, and desire to secure by Letters Pfatent, is

' --Thecombination with 'a pneilrnatic tire,

of a tube Q'rovid'edwith by-passes; a'sleeve adjustable" thereon, a, supplemental tube having a nipple thereon, a valve therein, a coi1-spring maintaining said sup lementaltube against. said firstnamed tu e, and a washer carried by said supplemental tube,

said washer comprising a horizontal memparting from the spirit ofmy invention, or

bar and a dependentmemb'er, each of which covers corresponding ends of said by-passes.

In, testimony' whereof I have". signed my name to this specification in the presence of .two subscribing w1tnesses.--

. I ARTHUR JA U-ISH. .Witnesses: v.

, H. L. Non,

' ROBERT ODELL.

- Washington. D. 0. 

